FIELD LOADING-TEST BASED SHM SYSTEM SAFETY STANDARD DETERMINATION

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  • Jiaping Yu Northeast Forestry University, Department of Civil Engineering, 26 Hexing road, Harbin, PR China
  • Chunwei Li Northeast Forestry University, Department of Civil Engineering, 26 Hexing road, Harbin, PR China
  • Quansheng Sun Northeast Forestry University, Department of Civil Engineering, 26 Hexing road, Harbin, PR China

DOI:

https://doi.org/10.14311/CEJ.2020.01.0020

Klíčová slova:

Structural health monitoring, Continuous rigid frame bridge, field loading test, Bridge rehabilitation, External prestressing, Safety standard thresholding

Abstrakt

Structural health monitoring (SHM) allows for real-time structural response monitoring and online data acquisition of bridge structures. This data reflects the operational and environmental conditions of the bridge, which is important in identification of possible anomalous changes. In order to effortlessly determine the safety condition of the bridge directly through the transferred data without data analysis, a five-level safety standard system will be established for real-time safety warning in this paper. The threshold of each safety levels will be determined through field loading tests results on an external prestressing rehabilitated continuous rigid frame bridge, of which permanent structural health monitoring system was instrumented. After overall evaluation, we come to the conclusion that the rehabilitation is successful and that the bridge is under safe operating condition. A novel, simplified safety standard thresholding technique is proposed based on static loading test results as well as ultimate limit state of the bridge. This technique is simple yet very practical in daily bridge monitoring.

Stažení

Data o stažení nejsou doposud dostupná.

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Stahování

Publikováno

2020-07-31

Jak citovat

Yu, J., Li, C., & Sun, Q. (2020). FIELD LOADING-TEST BASED SHM SYSTEM SAFETY STANDARD DETERMINATION. Stavební Obzor - Civil Engineering Journal, 29(2). https://doi.org/10.14311/CEJ.2020.01.0020

Číslo

Vol 29 No 2 (2020)

Sekce

Articles

Licence

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